Laysan Duck vs Worm-rooted Buttercup

Anas laysanensis compared with Ranunculus vermirrhizus

Taxonomic Classification

Rank	Laysan Duck	Worm-rooted Buttercup
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Magnoliopsida (Dicots)
Order	Anseriformes (Anseriformes)	Ranunculales (Ranunculales)
Family	Anatidae	Ranunculaceae
Genus	Anas	Ranunculus
Species	Anas laysanensis	Ranunculus vermirrhizus

Conservation Status

Laysan Duck

CR — Critically Endangered

Worm-rooted Buttercup

CR — Critically Endangered

Physical Characteristics

Attribute	Laysan Duck	Worm-rooted Buttercup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Worm-rooted Buttercup

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.